code: def test__transpose_checker():
      mapping_non_transpose = {
          "1": ["2", "3", "4"],
          "2": ["1", "3"],
          "3": ["1", "2"],
          "4": [],
      }
      with pytest.raises(AssertionError):
          _transpose_checker(mapping_non_transpose)
  
file_path: imagededup/tests/test_evaluator.py
imports: import pytest
  import numpy
  from imagededup.evaluation.evaluation import evaluate, _check_map_correctness, _transpose_checker
label_desc: Use image node_id 3 for calling a global function with example usage: test__transpose_checker() without return types